<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    
    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<% 
Object obj =request.getAttribute("text");
String text=(String)obj;
%>
<form action="TextFilter" method="post">
您要过滤的文本:<input type="text" name="id"/><br>

<input type="submit" value="提交" /> <input type="reset" value="取消" />
<%if(text!=null){ %>

<h3>过滤之后的文本为：<%=text %></h3>


<%} %>
</form>
</body>
</html>